package org.dromara.vmp.vmanager.gb28181.record;

import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletRequest;
import org.dromara.common.core.domain.R;
import org.dromara.common.core.enums.ErrorCode;
import org.dromara.common.core.exception.wvp.ControllerException;
import org.dromara.common.core.exception.wvp.SsrcTransactionNotFoundException;
import org.dromara.vmp.common.StreamInfo;
import org.dromara.vmp.conf.UserSetting;
import org.dromara.vmp.gb28181.bean.Device;
import org.dromara.vmp.gb28181.bean.RecordInfo;
import org.dromara.vmp.gb28181.transmit.callback.DeferredResultHolder;
import org.dromara.vmp.gb28181.transmit.callback.RequestMessage;
import org.dromara.vmp.gb28181.transmit.cmd.impl.SIPCommander;
import org.dromara.vmp.service.IDeviceService;
import org.dromara.vmp.service.IPlayService;
import org.dromara.vmp.service.bean.InviteErrorCode;
import org.dromara.vmp.storager.IVideoManagerStorage;
import org.dromara.vmp.utils.DateUtil;
import org.dromara.vmp.vmanager.bean.StreamContent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.async.DeferredResult;

import javax.sip.InvalidArgumentException;
import javax.sip.SipException;
import java.text.ParseException;
import java.util.UUID;

@Tag(name = "国标录像")

@RestController
@RequestMapping("/api/gb_record")
public class GBRecordController {

    private final static Logger logger = LoggerFactory.getLogger(GBRecordController.class);

    @Autowired
    private SIPCommander cmder;

    @Autowired
    private IVideoManagerStorage storager;

    @Autowired
    private DeferredResultHolder resultHolder;

    @Autowired
    private IPlayService playService;

    @Autowired
    private IDeviceService deviceService;

    @Autowired
    private UserSetting userSetting;

    @Operation(summary = "录像查询")
    @Parameter(name = "deviceId", description = "设备国标编号", required = true)
    @Parameter(name = "channelId", description = "通道国标编号", required = true)
    @Parameter(name = "startTime", description = "开始时间", required = true)
    @Parameter(name = "endTime", description = "结束时间", required = true)
    @GetMapping("/query/{deviceId}/{channelId}")
    public DeferredResult<R<RecordInfo>> recordinfo(@PathVariable String deviceId, @PathVariable String channelId, String startTime, String endTime) {

        if (logger.isDebugEnabled()) {
            logger.debug(String.format("录像信息查询 API调用，deviceId：%s ，startTime：%s， endTime：%s", deviceId, startTime, endTime));
        }
        DeferredResult<R<RecordInfo>> result = new DeferredResult<>();
        if (!DateUtil.verification(startTime, DateUtil.formatter)) {
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "startTime格式为" + DateUtil.PATTERN);
        }
        if (!DateUtil.verification(endTime, DateUtil.formatter)) {
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "endTime格式为" + DateUtil.PATTERN);
        }

        Device device = storager.queryVideoDevice(deviceId);
        // 指定超时时间 1分钟30秒
        String uuid = UUID.randomUUID().toString();
        int sn = (int) ((Math.random() * 9 + 1) * 100000);
        String key = DeferredResultHolder.CALLBACK_CMD_RECORDINFO + deviceId + sn;
        RequestMessage msg = new RequestMessage();
        msg.setId(uuid);
        msg.setKey(key);
        try {
            cmder.recordInfoQuery(device, channelId, startTime, endTime, sn, null, null, null, (eventResult -> {
                R<RecordInfo> r = new R<>();
                r.setCode(ErrorCode.ERROR100.getCode());
                r.setMsg("查询录像失败, status: " + eventResult.statusCode + ", message: " + eventResult.msg);
                msg.setData(r);
                resultHolder.invokeResult(msg);
            }));
        } catch (InvalidArgumentException | SipException | ParseException e) {
            logger.error("[命令发送失败] 查询录像: {}", e.getMessage());
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "命令发送失败: " + e.getMessage());
        }

        // 录像查询以channelId作为deviceId查询
        resultHolder.put(key, uuid, result);
        result.onTimeout(() -> {
            msg.setData("timeout");
            R<RecordInfo> r = new R<>();
            r.setCode(ErrorCode.ERROR100.getCode());
            r.setMsg("timeout");
            msg.setData(r);
            resultHolder.invokeResult(msg);
        });
        return result;
    }


    @Operation(summary = "开始历史媒体下载")
    @Parameter(name = "deviceId", description = "设备国标编号", required = true)
    @Parameter(name = "channelId", description = "通道国标编号", required = true)
    @Parameter(name = "startTime", description = "开始时间", required = true)
    @Parameter(name = "endTime", description = "结束时间", required = true)
    @Parameter(name = "downloadSpeed", description = "下载倍速", required = true)
    @GetMapping("/download/start/{deviceId}/{channelId}")
    public DeferredResult<R<StreamContent>> download(HttpServletRequest request, @PathVariable String deviceId, @PathVariable String channelId, String startTime, String endTime, String downloadSpeed) {

        if (logger.isDebugEnabled()) {
            logger.debug(String.format("历史媒体下载 API调用，deviceId：%s，channelId：%s，downloadSpeed：%s", deviceId, channelId, downloadSpeed));
        }

        String uuid = UUID.randomUUID().toString();
        String key = DeferredResultHolder.CALLBACK_CMD_DOWNLOAD + deviceId + channelId;
        DeferredResult<R<StreamContent>> result = new DeferredResult<>(30000L);
        resultHolder.put(key, uuid, result);
        RequestMessage requestMessage = new RequestMessage();
        requestMessage.setId(uuid);
        requestMessage.setKey(key);


        playService.download(deviceId, channelId, startTime, endTime, Integer.parseInt(downloadSpeed), (code, msg, data) -> {

            R<StreamContent> r = new R<>();
            if (code == InviteErrorCode.SUCCESS.getCode()) {
                r.setCode(ErrorCode.SUCCESS.getCode());
                r.setMsg(ErrorCode.SUCCESS.getMsg());

                if (data != null) {
                    StreamInfo streamInfo = (StreamInfo) data;
                    if (userSetting.getUseSourceIpAsStreamIp()) {
                        streamInfo.channgeStreamIp(request.getLocalAddr());
                    }
                    r.setData(new StreamContent(streamInfo));
                }
            } else {
                r.setCode(code);
                r.setMsg(msg);
            }
            requestMessage.setData(r);
            resultHolder.invokeResult(requestMessage);
        });

        return result;
    }

    @Operation(summary = "停止历史媒体下载")
    @Parameter(name = "deviceId", description = "设备国标编号", required = true)
    @Parameter(name = "channelId", description = "通道国标编号", required = true)
    @Parameter(name = "stream", description = "流ID", required = true)
    @GetMapping("/download/stop/{deviceId}/{channelId}/{stream}")
    public void playStop(@PathVariable String deviceId, @PathVariable String channelId, @PathVariable String stream) {

        if (logger.isDebugEnabled()) {
            logger.debug(String.format("设备历史媒体下载停止 API调用，deviceId/channelId：%s_%s", deviceId, channelId));
        }

        if (deviceId == null || channelId == null) {
            throw new ControllerException(ErrorCode.ERROR400);
        }

        Device device = deviceService.getDevice(deviceId);
        if (device == null) {
            throw new ControllerException(ErrorCode.ERROR400.getCode(), "设备：" + deviceId + "未找到");
        }

        try {
            cmder.streamByeCmd(device, channelId, stream, null);
        } catch (InvalidArgumentException | ParseException | SipException | SsrcTransactionNotFoundException e) {
            logger.error("[停止历史媒体下载]停止历史媒体下载，发送BYE失败 {}", e.getMessage());
            throw new ControllerException(ErrorCode.ERROR100.getCode(), e.getMessage());
        }
    }

    @Operation(summary = "获取历史媒体下载进度")
    @Parameter(name = "deviceId", description = "设备国标编号", required = true)
    @Parameter(name = "channelId", description = "通道国标编号", required = true)
    @Parameter(name = "stream", description = "流ID", required = true)
    @GetMapping("/download/progress/{deviceId}/{channelId}/{stream}")
    public R<StreamContent> getProgress(@PathVariable String deviceId, @PathVariable String channelId, @PathVariable String stream) {
        StreamInfo downLoadInfo = playService.getDownLoadInfo(deviceId, channelId, stream);
        if (downLoadInfo == null) {
            throw new ControllerException(ErrorCode.ERROR404);
        }
        return R.ok(new StreamContent(downLoadInfo));
    }
}
